A local resident found the girl lying in a semi-conscious state near the Milk Plant yesterday and informed the authorities.
The girl told the police that she was allegedly abducted by the truck driver from her village in Bihar and was subsequently raped by him and some other drivers before being dumped.
The state's Women and Child Development Department has taken the girl under their custody and shifted her to a local hospital for treatment and medical examination, police said.
A case has been registered and efforts were on to contact the girl's family, they said, adding that the accused have not been arrested so far.